Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Batteries By Application Use

Explore by product category, application or intended use

Batteries By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom battery pack assembly provision

Industry Solutions

Explore our capabilities to supply your industry need

Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery assembly components, parts, leads & connectors

Test & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

Master Logo

Featured Products

Enecharger Premium Cables

Have you see the new Premium braided Charge and Sync cable range from Enecharger?  Click the heading to read more

Tenergy Battery and Charger Kit

Enedorsed by Arlo, this rechargeable kit is a cost effective solution for your security system Click the heading to read more

Fujitsu 4 Cell AA-AAA Charger

With Xmas approaching, make sure your electronic presents have batteries available. Click the heading for more

Drypower Security Battery

Make sure your home is protected this Xmas with a Drypower Security battery...  Click the heading for more

Products by Brand


2018 Christmas Closure Notification


Advanced notice of the Master Instruments Christmas closure dates for this year's festive periodRead More

New Enecharger Premium Cable Range


Not all cables are created equal - check out the new range of Premium Charge & Sync cables from EnechargerRead More

Truth In Capacity


Recently, a long term MI customer was challenged about the low capacity of the 18650 sized cells he had available. To satisfy his curious nature, he went online and bought the higher capacity versions to see if the stated capacity was “fact or fiction”Read More

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